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Finding the Fourth Proportional to 111,493.44, 153,855.36 and 60,504.84

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Solution

The fourth proportional to 111,493.44, 153,855.36 and 60,504.84 is: 83,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,493.44 : 153,855.36 = 60,504.84 : x
  2. Step 2: Convert to fraction form
    111,493.44/153,855.36 = 60,504.84/x
  3. Step 3: Cross multiply
    111,493.44x = 153,855.36 × 60,504.84
  4. Step 4: Simplify right side
    111,493.44x = 9,308,993,939.94
  5. Step 5: Solve for x
    x = 9,308,993,939.94/111,493.44
  6. Step 6: Final answer
    x = 83,493.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.